Finding the Fourth Proportional to 340,588.75, 470,027.19 and 189,685.75
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Solution
The fourth proportional to 340,588.75, 470,027.19 and 189,685.75 is: 261,774.53
Step by Step Solution
- Step 1: Write the proportion equation
340,588.75 : 470,027.19 = 189,685.75 : x - Step 2: Convert to fraction form
340,588.75/470,027.19 = 189,685.75/x - Step 3: Cross multiply
340,588.75x = 470,027.19 × 189,685.75 - Step 4: Simplify right side
340,588.75x = 89,157,460,055.54 - Step 5: Solve for x
x = 89,157,460,055.54/340,588.75 - Step 6: Final answer
x = 261,774.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.